| Base | Representation |
|---|---|
| bin | 10100101101101110… |
| … | …10010100101001100 |
| 3 | 1001201001010220011001 |
| 4 | 22112313102211030 |
| 5 | 140233434323040 |
| 6 | 5035305510044 |
| 7 | 542406014440 |
| oct | 122667224514 |
| 9 | 31631126131 |
| 10 | 11121011020 |
| 11 | 47975801a9 |
| 12 | 21a44a2324 |
| 13 | 10830167c2 |
| 14 | 776db0820 |
| 15 | 4514e459a |
| hex | 296dd294c |
11121011020 has 96 divisors (see below), whose sum is σ = 27260634240. Its totient is φ = 3732326400.
The previous prime is 11121010939. The next prime is 11121011107. The reversal of 11121011020 is 2011012111.
11121011020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×111210110202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 11121010988 and 11121011006.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1254042 + ... + 1262878.
It is an arithmetic number, because the mean of its divisors is an integer number (283964940).
Almost surely, 211121011020 is an apocalyptic number.
11121011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11121011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13630317120).
11121011020 is an abundant number, since it is smaller than the sum of its proper divisors (16139623220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11121011020 is a wasteful number, since it uses less digits than its factorization.
11121011020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9043 (or 9041 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 10.
Adding to 11121011020 its reverse (2011012111), we get a palindrome (13132023131).
The spelling of 11121011020 in words is "eleven billion, one hundred twenty-one million, eleven thousand, twenty".
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